#ifndef __LINUX_MUTEX_RT_H
#define __LINUX_MUTEX_RT_H
#ifndef __LINUX_MUTEX_H
#error "Please include mutex.h"
#endif
#include <linux/rtmutex.h>
/* FIXME: Just for __lockfunc */
#include <linux/spinlock.h>
struct mutex {
struct rt_mutex lock;
#ifdef CONFIG_DEBUG_LOCK_ALLOC
struct lockdep_map dep_map;
#endif
};
#define __MUTEX_INITIALIZER(mutexname) \
{ \
.lock = __RT_MUTEX_INITIALIZER(mutexname.lock) \
__DEP_MAP_MUTEX_INITIALIZER(mutexname) \
}
#define DEFINE_MUTEX(mutexname) \
struct mutex mutexname = __MUTEX_INITIALIZER(mutexname)
extern void __mutex_do_init(struct mutex *lock, const char *name, struct lock_class_key *key);
extern void __lockfunc _mutex_lock(struct mutex *lock);
extern int __lockfunc _mutex_lock_interruptible(struct mutex *lock);
extern int __lockfunc _mutex_lock_killable(struct mutex *lock);
extern void __lockfunc _mutex_lock_nested(struct mutex *lock, int subclass);
extern void __lockfunc _mutex_lock_nest_lock(struct mutex *lock, struct lockdep_map *nest_lock);
extern int __lockfunc _mutex_lock_interruptible_nested(struct mutex *lock, int subclass);
extern int __lockfunc _mutex_lock_killable_nested(struct mutex *lock, int subclass);
extern int __lockfunc _mutex_trylock(struct mutex *lock);
extern void __lockfunc _mutex_unlock(struct mutex *lock);
#define mutex_is_locked(l) rt_mutex_is_locked(&(l)->lock)
#define mutex_lock(l) _mutex_lock(l)
#define mutex_lock_interruptible(l) _mutex_lock_interruptible(l)
#define mutex_lock_killable(l) _mutex_lock_killable(l)
#define mutex_trylock(l) _mutex_trylock(l)
#define mutex_unlock(l) _mutex_unlock(l)
#define mutex_destroy(l) rt_mutex_destroy(&(l)->lock)
#ifdef CONFIG_DEBUG_LOCK_ALLOC
# define mutex_lock_nested(l, s) _mutex_lock_nested(l, s)
# define mutex_lock_interruptible_nested(l, s) \
_mutex_lock_interruptible_nested(l, s)
# define mutex_lock_killable_nested(l, s) \
_mutex_lock_killable_nested(l, s)
# define mutex_lock_nest_lock(lock, nest_lock) \
do { \
typecheck(struct lockdep_map *, &(nest_lock)->dep_map); \
_mutex_lock_nest_lock(lock, &(nest_lock)->dep_map); \
} while (0)
#else
# define mutex_lock_nested(l, s) _mutex_lock(l)
# define mutex_lock_interruptible_nested(l, s) \
_mutex_lock_interruptible(l)
# define mutex_lock_killable_nested(l, s) \
_mutex_lock_killable(l)
# define mutex_lock_nest_lock(lock, nest_lock) mutex_lock(lock)
#endif
# define mutex_init(mutex) \
do { \
static struct lock_class_key __key; \
\
rt_mutex_init(&(mutex)->lock); \
__mutex_do_init((mutex), #mutex, &__key); \
} while (0)
# define __mutex_init(mutex, name, key) \
do { \
rt_mutex_init(&(mutex)->lock); \
__mutex_do_init((mutex), name, key); \
} while (0)
#endif
